wuan57 wuan57
  • 15-03-2021
  • Mathematics
contestada

3) Let h(x)= |2x|-4. Find h(x) when x = -7.
a) -10
b) 10
c) -13
d) 13

Respuesta :

MrRoyal
MrRoyal MrRoyal
  • 20-03-2021

Answer:

[tex]h(x) = 10[/tex]

Step-by-step explanation:

Given

[tex]h(x) = |2x| - 4[/tex]

[tex]x = -7[/tex]

Find h(x)

Substitute -7 for x

[tex]h(x) = |2*-7| - 4[/tex]

[tex]h(x) = |-14| - 4[/tex]

Absolute values return positive. So:

[tex]h(x) = 14 - 4[/tex]

[tex]h(x) = 10[/tex]

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